R10: 0000000000000000 R11: 00007faa90d8c0f4 R12: 00007fff04a00f20 R13: 00005558a4702ee9 R14: 00000000fffffff7 R15: 0000000000000000 Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 2 UID: 0 PID: 5180 Comm: syslogd Tainted: G L Y syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP, [Y]=FORCED_BIND Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x553/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 check_panic_on_warn kernel/panic.c:525 [inline] check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:520 __warn.cold+0x191/0x318 kernel/panic.c:1106 __report_bug+0x30f/0x440 lib/bug.c:254 report_bug+0xb3/0x220 lib/bug.c:286 handle_bug+0x16a/0x2a0 arch/x86/kernel/traps.c:436 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593 RIP: 0010:__alloc_pages_slowpath mm/page_alloc.c:4806 [inline] RIP: 0010:__alloc_frozen_pages_noprof+0x1cd5/0x3190 mm/page_alloc.c:5442 Code: 38 d0 7c 08 84 d2 0f 85 98 11 00 00 65 48 8b 05 b9 a8 3e 13 c7 84 24 94 00 00 00 00 80 00 00 f6 40 2d 08 0f 84 3b e8 ff ff 90 <0f> 0b 90 e9 32 e8 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 RSP: 0000:ffffc90025b5e460 EFLAGS: 00010202 RAX: ffff8880260a0000 RBX: 0000000000000000 RCX: 1ffff1100fffad69 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88803fffd938 RBP: 0000000000000000 R08: 0000000000006b8b R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000048c40 R12: ffff8880260a002c R13: 0000000000008000 R14: 0000000000000000 R15: 0000000000000000 alloc_pages_mpol+0x201/0x560 mm/mempolicy.c:2511 alloc_pages_noprof mm/mempolicy.c:2602 [inline] folio_alloc_noprof+0x22/0x250 mm/mempolicy.c:2612 filemap_alloc_folio_noprof.part.0+0x3db/0x440 mm/filemap.c:1018 filemap_alloc_folio_noprof mm/filemap.c:2051 [inline] __filemap_get_folio_mpol+0x64e/0x1230 mm/filemap.c:2036 __filemap_get_folio include/linux/pagemap.h:759 [inline] ext4_mb_load_buddy_gfp+0x708/0x1b20 fs/ext4/mballoc.c:1732 ext4_discard_preallocations+0x584/0x10c0 fs/ext4/mballoc.c:5686 ext4_clear_inode+0x6e/0x280 fs/ext4/super.c:1555 ext4_evict_inode+0x1de/0x17d0 fs/ext4/inode.c:333 evict+0x3c2/0xad0 fs/inode.c:822 dispose_list+0x117/0x1e0 fs/inode.c:864 prune_icache_sb+0xea/0x150 fs/inode.c:1010 super_cache_scan+0x376/0x550 fs/super.c:227 do_shrink_slab+0x411/0x1200 mm/shrinker.c:445 shrink_slab_memcg mm/shrinker.c:562 [inline] shrink_slab+0xa7d/0x12e0 mm/shrinker.c:640 shrink_one+0x3d3/0x870 mm/vmscan.c:5315 shrink_many mm/vmscan.c:5376 [inline] lru_gen_shrink_node mm/vmscan.c:5454 [inline] shrink_node+0x2a5e/0x42e0 mm/vmscan.c:6460 shrink_zones mm/vmscan.c:6696 [inline] do_try_to_free_pages+0x2da/0x1500 mm/vmscan.c:6758 try_to_free_pages+0x2a0/0x740 mm/vmscan.c:6997 __perform_reclaim mm/page_alloc.c:4441 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4468 [inline] __alloc_pages_slowpath mm/page_alloc.c:4929 [inline] __alloc_frozen_pages_noprof+0xcc4/0x3190 mm/page_alloc.c:5442 alloc_pages_mpol+0x201/0x560 mm/mempolicy.c:2511 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2530 __swap_cache_alloc mm/swap_state.c:448 [inline] __swap_cache_alloc_folio+0x3d7/0xc50 mm/swap_state.c:540 swap_cache_read_folio+0x47/0x150 mm/swap_state.c:704 swap_cache_read_folio_sync mm/swap_state.c:790 [inline] swap_cluster_readahead+0x477/0x5d0 mm/swap_state.c:912 swapin_readahead+0xf0/0x260 mm/swap_state.c:1051 do_swap_page+0xf95/0x53c0 mm/memory.c:4943 handle_pte_fault mm/memory.c:6533 [inline] __handle_mm_fault+0x15bd/0x2f60 mm/memory.c:6679 handle_mm_fault+0x363/0xa20 mm/memory.c:6846 do_user_addr_fault+0x59c/0x12f0 arch/x86/mm/fault.c:1343 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7faa90b332b0 Code: Unable to access opcode bytes at 0x7faa90b33286. RSP: 002b:00007fff04a009e8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000009 RCX: 00000000fefffe00 RDX: 0000000000000009 RSI: 00005558a4702ee0 RDI: 00005558a4702c60 RBP: 0000000000000009 R08: 0000000000000073 R09: 0000000000000001 R10: 0000000000000000 R11: 00007faa90d8c0f4 R12: 00007fff04a00f20 R13: 00005558a4702ee9 R14: 00000000fffffff7 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..